# Conflict when changed to smart retention and can't revert either! **URL:** \ **Category:** Support\ **Created:** [January 28, 2019, 4:33am UTC](https://forum.duplicati.com/t/conflict-when-changed-to-smart-retention-and-cant-revert-either/6144 "2019-01-28T04:33:46Z")\ **Posts on this page:** 1\ **Showing post:** 12
**Author:** ![ts678](https://forum.duplicati.com/letter_avatar_proxy/v4/letter/t/8491ac/32.png) [@ts678](https://forum.duplicati.com/u/ts678)\ **Post date:** [January 30, 2019, 11:22pm UTC](https://forum.duplicati.com/t/conflict-when-changed-to-smart-retention-and-cant-revert-either/6144/12 "2019-01-30T23:22:57Z")
> [@Jay\_T](#): > > is this the correct syntax for filters using the web-GUI? I’m not a filter expert, but having tried to learn them lately I think the [Filters](https://duplicati.readthedocs.io/en/latest/appendix-d-filters/) article is aimed at command line and special cases, while the GUI’s [Creating a new backup job](https://duplicati.readthedocs.io/en/latest/03-using-the-graphical-user-interface/#creating-a-new-backup-job) is too vague on translations intended to help. For example, I think the intent there is you type in a folder, and the GUI adds \* wildcards and a trailing slash. You can see what it made using the three-dot menu, and you might also notice some bugs where GUI may need to be told a few times (via dropdown) what you want it to do. Keep at it. You can look in [Commandline](https://duplicati.readthedocs.io/en/latest/03-using-the-graphical-user-interface/#using-the-command-line-tools-from-within-the-graphical-user-interface) to see what sort of --exclude the GUI built. I think yours looks right for that setting, but not for input to GUI… [Problems using test-filter](https://forum.duplicati.com/t/problems-using-test-filter/6101/2) gets in some of this, while also giving ways for you to test filters, without backup. --- _[View the full topic](https://forum.duplicati.com/t/conflict-when-changed-to-smart-retention-and-cant-revert-either/6144)._